Soundcore C40i
12 x 17mm 레이스트랙 다이내믹 드라이버가 개방형 디자인에서도 강력한 사운드를 유지하며, 최대 21시간 재생과 10분 충전으로 2시간 사용이 가능한 배터리 성능이 돋보입니다. 클립온 방식으로 6g의 가벼운 무게와 IPX4 방수 등급을 갖춰 운동 중에도 안정적인 착용감을 제공하며, 주변 소리를 자연스럽게 인지할 수 있습니다. 통화 품질보다 착용 편의성과 공간 인지가 중요한 야외 운동, 하이킹, 출퇴근 사용자에게 적합합니다.
요약
The 30-Second Version
The most comfortable open-ear buds we've tested, with shockingly good sound and ANC that actually works. Just don't buy them for the call quality.
Pros & Cons
장점
- Incredibly comfortable clip-on fit you can wear all day 94th
- Surprisingly full and spacious sound for an open-ear design 90th
- Adaptive ANC that actually makes a difference outdoors 90th
- Solid battery life with a quick-charge that's perfect for gym sessions 88th
단점
- Call quality is mediocre and struggles in noisy places
- Sound quality is highly dependent on getting the ear placement just right
- Social proof is low, so there aren't many long-term user reports yet
- The physical button controls can feel a bit clunky to press
사용자 의견
The Word on the Street
시간에 따라 사용자 평판이 어떻게 변했는가
독점고객이 실제로 리뷰를 작성한 시점을 기준으로 합니다. 초기의 호평이 유지되었는지 확인할 수 있습니다.
날짜가 있는 고객 리뷰 38건을 기준으로 달력 분기별로 묶었습니다. 기간별 분석은 영어로 제공됩니다.
근거 자료
Performance
What surprised us most was the sound quality. Open-ear buds usually sound thin and tinny, but Soundcore's racetrack driver here delivers a sound profile that lands in the 86th percentile of our database, which is a standout for this style. The bass has some actual body to it, and the soundstage feels wide and natural. The ANC is another shocker. It's not going to silence a jet engine, but it takes the edge off low-end rumbles like bus engines and wind noise way better than it has any right to, sitting in the 88th percentile. The call quality, however, is a weak spot. At the 60th percentile, your voice sounds a bit processed and distant to the person on the other end, so don't plan on leading any Zoom meetings from a windy street.
Specifications
Full Specifications
Design
| Form Factor | open-ear |
| Wearing Style | Dual Ear True Wireless Earbud |
| Ear Tips | Medium, Large |
| Weight | 0.0 kg / 0.0 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 17 |
| Drivers | 2 |
Noise Control
| ANC | Yes |
| ANC Type | adaptive |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
| Multipoint | Yes |
Earbud Battery
| Battery Life | 21 |
| Fast Charging | 10 Minutes for 2 Hours |
| Charging | USB-C |
Case Battery
| Case Battery | 14 |
| Case Charging | USB-C |
| Wireless Charging | No |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
Features
| Touch Controls | No |
| App | Soundcore |
| Volume Limiting | No |
| Bone Conduction | No |
| Water Resistance | IPX4 |
vs Competition
The C40i's main rival is the Bose QuietComfort open-ear buds, but the Soundcores offer ANC where the Bose don't, making them a smarter pick for commuters. The Samsung Galaxy Buds3 Pro are a completely different beast, a traditional in-ear design with top-tier sound and ANC, but they seal you off from the world. If you need spatial awareness for safety, the C40i is the clear winner. The EarFun Air Pro 4+ is a fantastic budget noise-canceling in-ear bud, but again, it's not an open-ear design. For the specific person who wants a clip-on with ANC, the C40i is in a league of its own right now.
| Spec | Soundcore C40i | Technics EAH-AZ100 EAH-AZ100-K | Bose QuietComfort Ultra 896637-0010 | Sony WF-1000XM6 | Google Pixel Buds Pro | EarFun Air Pro 4+ |
|---|---|---|---|---|---|---|
| Form Factor | open-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | hybrid |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | true | true | true | true | true | true |
| Bluetooth Version | 5.4 | 5.3 | 5.3 | 5.3 | 5.0 | 6.0 |
| Battery Life Hours | 21 | 8 | 6 | 8 | 11 | 12 |
| Case Battery Hours | 14 | 28 | 18 | 24 | 31 | 54 |
| Water Resistance | IPX4 | IPX4 | IPX4 | IPX4 | IPX4 | IP55 |
| Multipoint | true | true | true | true | true | true |
| Compare | Compare | Compare | Compare | Compare |
| 제품 | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | 사용자 평판 |
|---|---|---|---|---|---|---|---|---|
| Soundcore C40i | 90.1 | 69.7 | 80.7 | 88.2 | 87.9 | 94.2 | 90.2 | 46.2 |
| Technics EAH-AZ100 EAH-AZ100-K Compare | 97.3 | 97.2 | 80.7 | 99 | 81.6 | 71.6 | 99.1 | 80.3 |
| Bose QuietComfort Ultra 896637-0010 Compare | 97.3 | 91.2 | 80.7 | 96.7 | 47.1 | 94.2 | 97.9 | 89.6 |
| Sony WF-1000XM6 Compare | 97.3 | 99.8 | 80.7 | 88.6 | 78.4 | 71.6 | 97.9 | 80.3 |
| Google Pixel Buds Pro Compare | 97.3 | 82.6 | 80.7 | 93.3 | 84.7 | 71.6 | 95.3 | 89.6 |
| EarFun Air Pro 4+ Compare | 97.3 | 97.2 | 91.8 | 99.7 | 96.1 | 71.6 | 99.3 | 89.6 |
가격
Value & Pricing
Pricing on these is all over the map, with a wild spread from $40 to over $1600 across different vendors, which is frankly absurd. At the lower end of that range, these are an absolute steal for a fitness-focused open-ear bud with this feature set. If you're seeing a price anywhere near the $40 mark, just buy them. If you're looking at a triple-digit price tag, you're getting ripped off and should hunt for a better deal.
더 보기
Overview
Soundcore's C40i clip-ons are a solid entry into the open-ear game, and the one thing to know is they nail comfort and awareness. If you hate the plugged-up feeling of earbuds but still want decent sound and ANC for your run, these are a fantastic pick. They hook onto your ear with a secure, lightweight clip, letting you hear traffic or your hiking buddy while your playlist keeps rolling. The 12x17mm racetrack drivers push out more punch than you'd expect from something that doesn't seal your ear canal, and the adaptive ANC is a genuinely useful bonus for an open design.
Common Questions
Q: Can you really hear your surroundings with these?
Absolutely. That's the whole point. The open-ear design leaves your ear canal completely unblocked, so you get full spatial awareness. It's perfect for running on city streets or hiking where you need to hear what's around you.
Q: How is the ANC on an open-ear bud even possible?
It's not magic, but it's close. The adaptive ANC targets low, constant frequencies like engine hum. It won't silence chatty people next to you, but it noticeably reduces background drone without blocking the world out, which is a clever trick for commuters.
Q: Will these stay on during a hard workout?
Yes, the clip-on design is very secure. The 6-gram weight and flexible ear hook mean they grip your ear without clamping hard. They're rated IPX4 for sweat and splashes, so a tough gym session or a rainy run is no problem.
Who Should Skip This
If you're looking for pristine call quality or total noise isolation, this isn't it. Go get a pair of traditional in-ear buds with a sealing tip, like the Samsung Galaxy Buds3 Pro. These are for people who prioritize awareness and comfort above all else.
Verdict
The Soundcore C40i is the best open-ear clip-on bud for anyone who wants to stay aware of their surroundings without sacrificing good sound and a bit of noise cancellation. It's a niche product that absolutely nails its niche. The call quality is the only real drag, but for workouts, hikes, and commutes where safety and comfort are king, these are an easy recommendation. Just make sure you're not overpaying.